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Yr. 10 Chemistry

Chemistry Exam Revision

What is wrong with: "Na + H2O --> NaOH + H2" ? It isn't balanced, and it doesn't show state subscripts.
How do you fix "Na + H2O --> NaOH + H2" ? 2Na(s) + 2H2O(l) --> 2NaOH(aq) + H2(g)
What is the Law of Conservation of Matter? "Matter can be neither created nor destroyed; it can only be changed from one form to another."
What is the Law of Conservation of Mass? "In any chemical reaction, the mass of the reactants will equal the mass of the products."
The rate of reaction is ________ _________ to time. Inversely proportional.
The Collision Theory states what? 1) The reactants must collide. 2) The reactants must collide with sufficient energy to react. 3) The reactants must collide in the correct orientation.
What are Polyatomic Ions? Charged particles made up of more than one atom.
How do you name a Polyatomic Ion? Name the metal, then the non-metal (MgCl2 – Magnesium Chloride).
What are Ions? Charged particles.
What is the formula for Hydrochloric Acid? HCl.
What is the formula for Nitric Acid? HNO3.
What is the formula for Sulphuric Acid? H2SO4.
What is the formula for Water? H2O.
What is the formula for Carbon Dioxide? CO2.
What is the formula for Oxygen Gas? O2.
Ionic compounds are between a _______ and a __________. A metal and a non-metal.
Covalent compounds are between two _______. Two non-metals.
Created by: Doctor Moreau